TSUMUGU · TOCFL 1 · 字
課
ㄎㄜˋ · kè
noun — a lesson, a class; schoolwork
字源 FORM — what the parts do
{g,k,h}IFTguǒ → kè — g to k inside {g,k,h}; 顆、棵 take the k road too
Questioning in words (言) to test someone — 說文: 試也. 果 guǒ gives the sound, g stepped to k. From the examining to the work it assigns: 上課、功課、課本.
故事 STORY — a scene to remember it by
先生問一句（言），學生答一句；答不上的，回去多讀一遍。
The teacher asks (言), the student answers; what he misses, he rereads tonight.
字源記憶法
意 · Meanings
(本義)考課— to question and grade
→上課、一堂課— the class, the lesson常用
⇒功課、課本— homework; the textbook常用
(本義) original meaning · → ⇒ each arrow = one more step of extension